
Thank you for posting your question in the Microsoft Q&A forum.
If you're looking to create a dropdown list in Excel that offers predefined choices while still allowing users the flexibility to enter their own custom values, there's a simple and effective way to do this.
After setting up the column with your dropdown list using Data Validation, make sure to disable the 'Error Alert' feature. This ensures that users can either select from the list or type in a custom entry without receiving an error message.
Here's how to set it up:
First Select the cell you wish to configure the "Drop-down lists"> Navigate to "Data" tab> choose "Data Validation"
Go to the "Error Alert" tab> Uncheck “Show error alert after invalid data is entered” >
Finally, click the "OK" button
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